# The polar of (-a,-2a) w.r.t the circle x2 + y2 = 2ax – 3a2 = 0 touches the parabola

1.  Y2 = 4ax

2.  Y2 = 6ax

3.  X2 = 4ax

4.  Y2 = ax

4

Y2 = 4ax

Explanation :
No Explanation available for this question

1.  π

2.  0

3.  π/2

4.  none

4

π/2

Explanation :
No Explanation available for this question

1.  π

2.  0

3.  2π

4.  π/2

4

π

Explanation :
No Explanation available for this question

# The locus of the poles of tangents of the parabola y2 = 4ax w.r.t the parabola y2 = 4bx is

1.  Ax2 = 4b2y

2.  Ax = 4b2 y2

3.  Ay2 = 4b2 x

4.  None

4

Ay2 = 4b2 x

Explanation :
No Explanation available for this question

1.  loge2

2.  e2

3.  0

4.  2/e

4

loge2

Explanation :
No Explanation available for this question

# If x2-2x+3 > 0,2x2+4x+3 > 0 then x lies in the interval

1.  (1,2)

2.  R

3.  (2,5)

4.

4

R

Explanation :
No Explanation available for this question

# The locus of the poles of chords of the parabola y2 = 4ax, which subtend a right angle at the vertex is

1.  X + a = 0

2.  X + 2a = 0

3.  X + 3a = 0

4.  X + 4a = 0

4

X + 4a = 0

Explanation :
No Explanation available for this question

1.  1

2.  0

3.  4-sin4

4.  none

4

0

Explanation :
No Explanation available for this question

# If x > 0 then the least value ofis

1.  2

2.  -2

3.  1

4.  0

4

2

Explanation :
No Explanation available for this question

1.  0

2.  -2

3.  2

4.  -1

4